[RE-wrenches] Context XW+ Random Factory Defaults

[Jason Szumlanski]

Thanks, Kevin.

Since the Insight box has an integrated Xanbus terminator, I will need to
get a terminator plug to remove it. Can I use any old Can Bus Terminator,
or does Xanbus use a special one?


Jason Szumlanski
Principal Solar Designer | Florida Solar Design Group
NABCEP Certified Solar Professional (PVIP)
Florida State Certified Solar Contractor CVC56956
Florida Certified Electrical Contractor EC13013208


On Sun, Jun 1, 2025 at 12:41 PM Kevin Pegg via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> We had this exact same scenario once. We reprogrammed the XW gear properly
> and system was fine. It turned out it was a malicious party known to the
> client who had gained access to Insight, changed passwords, and it’s real
> easy to change a few settings or factory reset remotely to mess with the XW
> system & cost the client money.
>
>
>
> So – regain access to Insight or remove it.
>
>
>
> Kevin
>
>
>
>
>
> *From:* RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org> *On
> Behalf Of *Jason Szumlanski via RE-wrenches
> *Sent:* Saturday, May 31, 2025 6:45 AM
> *To:* RE-wrenches <re-wrenches at lists.re-wrenches.org>
> *Cc:* Jason Szumlanski <jason at floridasolardesigngroup.com>
> *Subject:* [RE-wrenches] Context XW+ Random Factory Defaults
>
>
>
> I have a new service client with dual XW+. When I first went out a couple
> of weeks ago, the LFP batteries had completely shut down due to low battery
> voltage. I had to jump start them with a Chargeverter. I discovered that
> the inverter low battery cutoff was 44 volts, which is lower than the
> battery BMS cut out. I also found the AGS set to manual off, and I believe
> the voltage triggers were defaults, but I am not certain.
>
>
>
> There is an AGS, SCP, two MPPT 60 150, one MPPT 100 600, and an Insight
> Home on the Xanbus Network. The owner cannot figure out how to access the
> Insight Cloud, and I could not access the device on the local network with
> the default password. Therefore, I am working with the SCP only for
> settings.
>
>
>
> I adjusted the settings on the inverters and AGS and checked all other
> settings. We tested the generator functionality. Everything seemed great.
>
>
>
> Fast forward to this week, and the system had a complete shutdown. I went
> out to the remote location today and found the inverters in standby. I
> tried to enable them, and received an F66 error. I dug in and found that
> they both had the same modbus address 00 and they were both set to split
> phase master. Everything else appeared to be factory defaults. Low battery
> cut out was sent to 44 volts again. The AGS had disappeared from the
> network on the SCP. The batteries were at 100% because the charge
> controllers were charging the batteries with solar for the last couple of
> days with no load present. After power cycling the inverters, the AGS
> reappeared on the SCP. The settings in the AGS were exactly as I had left
> them last time.
>
>
>
> It appears that the inverters went back to factory defaults, but
> everything else seemed okay.
>
>
>
> The only relevant thing in the fault logs was a low battery condition F48
> fault that occurred six days ago. Then, 18 hours later, multiple F66 errors
> (5 or 6) occured over a 2-hour span. It appears this is when the inverters
> reverted to factory defaults.
>
>
>
> I don't work on a lot of Schneider inverters, so I am looking for any
> insights, no pun intended, that you may have about this behavior.
>
>
>
> I changed the names of the inverters from the factory default in the SCP.
> If the settings do revert to factory defaults again, I'm hoping this will
> be an indication if the names also revert.
>
>
>
> One more piece of information. I seriously doubt that the occupants of the
> property messed with anything in the SCP. However, I strongly believe that
> they were flipping breakers, particularly on the solar charge controllers.
> It's possible that turning off a controller messed up the Xanbus, but I
> don't see what that would have to do with settings getting changed.
>
>
>
> Jason Szumlanski
>
> Florida Solar Design Group
>
>
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